In this article we will discuss about:- 1. Definition of Biofilters 2. Microbial Potential of Biofilters 3. Biofilter Media 4. Mechanism. Biofiltration is a new technology used to purify contaminated air evolved from volatile organic and inorganic compounds by involving microorganisms. It is a low cost technology gradually becoming popular due to simple operational and waste-removal efficiencies. Biofiltration is the [...]
In this article we will discuss about the composition of sewage. Sewage is the used and wastewater consisting of human excreta, wash waters, and industrial and agricultural wastes (e.g. wastes from live stock i.e. chicken, cattle, horse, etc.) that enter the sewage system. In general sewage contains about 95.5% water and 0.1 to 0.5% organic and inorganic materials. The solid [...]
Algae, bacteria, actinomycetes, fungi, higher plants, cyanobacteria., are the major microorganisms reported to tolerate heavy metals which universally occur in diverse ecosystems with meaning frequency. 1. Algae: The species of Chlorella, Anabaena inaequalis, Westiellopsis prolifica, Stigeo clonium tenue, Synechococcus species, Selenastrum capricornutum etc. tolerate heavy metals. 2. Bacteria: Bacteria resistant to heavy metals were frequently isolated from environmental sources such [...]